X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationRebalanceListener.java;h=cd9da64538cf0097d669fc26606120f72aba4d90;hb=a4be0eac8d9f234cd53ae1917a084f65d91d0460;hp=5a013935a32f2d1e90b61e60916f9cd3c734ca6e;hpb=7c0368363c3e5dbb7eb2a08f343187a93f050617;p=demos%2Fkafka%2Ftraining diff --git a/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java b/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java index 5a01393..cd9da64 100644 --- a/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java +++ b/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java @@ -8,8 +8,7 @@ import org.apache.kafka.common.TopicPartition; import java.time.Clock; import java.time.Duration; import java.time.Instant; -import java.util.Collection; -import java.util.Map; +import java.util.*; @RequiredArgsConstructor @@ -17,6 +16,7 @@ import java.util.Map; public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRebalanceListener { private final ApplicationRecordHandler recordHandler; + private final AdderResults adderResults; private final StateRepository stateRepository; private final String id; private final String topic; @@ -24,6 +24,8 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe private final Duration commitInterval; private final Consumer consumer; + private final Set partitions = new HashSet<>(); + private Instant lastCommit = Instant.EPOCH; private boolean commitsEnabled = true; @@ -33,6 +35,7 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe partitions.forEach(tp -> { Integer partition = tp.partition(); + this.partitions.add(partition); StateDocument document = stateRepository .findById(Integer.toString(partition)) @@ -45,6 +48,7 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe consumer.seek(tp, document.offset); } recordHandler.addPartition(partition, document.state); + adderResults.addPartition(partition, document.results); }); } @@ -54,6 +58,7 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe partitions.forEach(tp -> { Integer partition = tp.partition(); + this.partitions.remove(partition); Long offset = consumer.position(tp); log.info( "{} - removing partition: {}, offset of next message {})", @@ -62,8 +67,9 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe offset); if (commitsEnabled) { - Map removed = recordHandler.removePartition(partition); - stateRepository.save(new StateDocument(partition, removed, offset)); + Map state = recordHandler.removePartition(partition); + Map> results = adderResults.removePartition(partition); + stateRepository.save(new StateDocument(partition, state, results, offset)); } else { @@ -85,11 +91,12 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe if (lastCommit.plus(commitInterval).isBefore(clock.instant())) { log.debug("Storing data and offsets, last commit: {}", lastCommit); - recordHandler.getState().forEach((partiton, adder) -> stateRepository.save( + partitions.forEach(partition -> stateRepository.save( new StateDocument( - partiton, - adder.getState(), - consumer.position(new TopicPartition(topic, partiton))))); + partition, + recordHandler.getState(partition).getState(), + adderResults.getState(partition), + consumer.position(new TopicPartition(topic, partition))))); lastCommit = clock.instant(); } }